Provided

> input: float 0 to 1 inclusive

It's  int(9*$v)

Edit

Corrected off by one

Updated

Corrected correction ;)

Updated

The edge case 1=9/9 needs special treatment. Are you sure 8 is the maximum?

If yes max(8,int(9*$v))

max needs to be imported. (POSIX?)

List::Util#max

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery FootballPerl is like chess, only without the dice

In reply to Re: sub as mathematical function by LanX
in thread sub as mathematical function by Anonymous Monk

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